A method of measuring memory and learning capabilities of a small animal provided
with measuring successively a position of the small animal in an observation field
with an infrared ray detector, while a computer controls opening of a plurality
of covers, provided between the observation field holding the small animal therein
and a feed holder storing feed therein, in a predetermined order each for a unit
period. Further, the number of accessing times of the small animal to respective
through holes formed on the observation field, which is opened/closed with the
covers, during each unit period, is calculated by the computer, on the basis of
an output from the infrared ray detector, in which each of the through holes is
provided with an escape preventing net having hole of a diameter smaller than a
diameter of a scull of the small animal.
